Home / 139,930.23-209,833.59-40,067.76

Finding the Fourth Proportional to 139,930.23, 209,833.59 and 40,067.76

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Solution

The fourth proportional to 139,930.23, 209,833.59 and 40,067.76 is: 60,083.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,930.23 : 209,833.59 = 40,067.76 : x
  2. Step 2: Convert to fraction form
    139,930.23/209,833.59 = 40,067.76/x
  3. Step 3: Cross multiply
    139,930.23x = 209,833.59 × 40,067.76
  4. Step 4: Simplify right side
    139,930.23x = 8,407,561,924.06
  5. Step 5: Solve for x
    x = 8,407,561,924.06/139,930.23
  6. Step 6: Final answer
    x = 60,083.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.